Sr. Staff Software Engineer, Android

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Job Category

Software Engineering

Job Details

About Salesforce

Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn’t a buzzword — it’s a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all.

Ready to level-up your career at the company leading workforce transformation in the agentic era? You’re in the right place! Agentforce is the future of AI, and you are the future of Salesforce.

About Slack

Slack is your Digital HQ — bringing people, apps, customers, and AI agents together in one place. Millions of people use Slack every day to communicate, collaborate, and get work done. As work becomes increasingly distributed and AI-powered, Slack is redefining how teams operate and how work happens at scale.

The Team

The Slack Mobile team builds Slack's mobile experiences, from core messaging to AI and everything in between.
We operate at the intersection of product innovation, mobile platform excellence, and large-scale engineering. The features and systems we build support millions of daily users and require deep investments in performance, reliability, accessibility, and user experience.

The Role

We're looking for a Senior Staff Android Engineer (Architect) to help define the future of Slack on mobile. As a Senior Staff Engineer, you'll serve as a top technical authority spanning multiple teams and orgs. You'll set strategy at an organizational scale, shape product and technical direction across Slack's mobile platform, and lead innovation on the biggest opportunities facing Slack's Android application.
You'll partner closely with Product, Design, Backend, Infrastructure, iOS, and fellow mobile engineering leaders to deliver experiences that are intuitive, delightful, and reliable for millions of users worldwide. This role combines deep hands-on technical leadership with organization-wide influence, shaping how multiple teams build and scale mobile software as part of Slack's Architect technical leadership track.

What You'll Do

• Define the multi-year technical strategy behind experiences used by millions of Slack users every day, spanning multiple teams and the broader organization.
• Lead the most complex, ambiguous, cross-functional initiatives from early technical exploration through production rollout and long-term evolution, often spanning several teams or the entire org.
• Lead feature prototyping to define the Android user experience for Slack’s biggest opportunities.
• Partner with Product and Design leadership to shape experiences that balance user needs, technical constraints, and long-term maintainability at scale.
• Identify and drive org-wide opportunities to improve performance, reliability, accessibility, and developer productivity.
• Act as a top-level technical authority, influencing engineering decisions across the org through architecture reviews, technical strategy, and mentorship of staff and senior engineers.
• Set and evangelize best practices for Android development, testing, observability, and operational excellence across the broader engineering organization.
• Drive the evolution of Slack's mobile architecture and infrastructure to support future product investments, including AI-powered experiences.
• Mentor and grow other Staff and Senior engineers, and help cultivate technical leadership across the broader Android engineering community within Slack.

What We're Looking For

• Proven track record, at an Architect level, of leading large, ambiguous, org-spanning technical initiatives with significant measurable business impact.
• Deep experience designing systems and architectures that scale across many teams and long-lived codebases over many years.
• Demonstrated ability to influence technical direction purely through expertise and collaboration, driving alignment across executive and senior stakeholders and multiple teams.
• 15+ years of professional software engineering experience, including extensive experience building and scaling Android applications in production.
• Deep, recognized expertise in Kotlin and modern Android development, with a track record of setting technical standards that others across the industry or company follow.
• Expert understanding of Android architecture, application lifecycle, concurrency, networking, and performance optimization at sc